X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/c3dd6ac7814ce17004a9e4f0d965d606b1d7c35c..c9ba8f2a2c8adbac38fd60e8c53ad9b2445542fc:/Bootloaders/makefile

diff --git a/Bootloaders/makefile b/Bootloaders/makefile
index c9f494182..01aa506fd 100644
--- a/Bootloaders/makefile
+++ b/Bootloaders/makefile
@@ -13,18 +13,19 @@
 # custom LUFA library build options are reflected in the compiled
 # code.
 
-all:
-	$(MAKE) -C CDC clean
-	$(MAKE) -C CDC all
+PROJECT_DIRECTORIES = $(shell ls -d */)
 
-	$(MAKE) -C HID clean
-	$(MAKE) -C HID all
+# This makefile is potentially infinitely recursive if something really bad
+# happens when determining the set of project directories - hard-abort if
+# more than 10 levels deep to avoid angry emails.
+ifeq ($(MAKELEVEL), 10)
+   $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
+endif
 
-	$(MAKE) -C DFU clean
-	$(MAKE) -C DFU all
+all:
+ifeq ($(OBJDIR),)
+	@$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+endif
 
 %:
-	$(MAKE) -C CDC $@
-	$(MAKE) -C DFU $@
-	$(MAKE) -C HID $@
-
+	@$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)